Home / 15,573.50-21,494.36-9,755.30

Finding the Fourth Proportional to 15,573.50, 21,494.36 and 9,755.30

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Solution

The fourth proportional to 15,573.50, 21,494.36 and 9,755.30 is: 13,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.50 : 21,494.36 = 9,755.30 : x
  2. Step 2: Convert to fraction form
    15,573.50/21,494.36 = 9,755.30/x
  3. Step 3: Cross multiply
    15,573.50x = 21,494.36 × 9,755.30
  4. Step 4: Simplify right side
    15,573.50x = 209,683,930.11
  5. Step 5: Solve for x
    x = 209,683,930.11/15,573.50
  6. Step 6: Final answer
    x = 13,464.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.